%0 Journal Article
%A Christiansen, R. A.
%T Recurrent Transformation Groups
%J Canadian journal of mathematics
%D 1969
%P 564-575
%V 21
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-064-1/
%R 10.4153/CJM-1969-064-1
%F 10_4153_CJM_1969_064_1